In a circuit nbsp-with one bulb- another identical bulb is added in series- Which of the following is observed-They do not glow-The brightness of the individual bulb reduces-The bulbs get fused-The brightness of the individual bulb increases-

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Byju's Answer

Standard VI

Physics

Open and Closed Circuits

In a circuit ...

Question

In a circuit with one bulb, another identical bulb is added in series. Which of the following is observed?

They do not glow.

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The brightness of the individual bulb reduces.

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The brightness of the individual bulb increases.

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The bulbs get fused.

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Solution

The correct option is B The brightness of the individual bulb reduces.
A circuit has one bulb. If another is connected in series, resistance in the circuit increases. The current and the brightness of each of the bulbs would get reduced. Hence, the brightness of each of the two bulbs will be less than the brightness with which the single bulb was glowing earlier.

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